Power supply plug



FIG. 1 is a perspective view of a connector showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof, showing in use.

The broken lines in the drawings show unclaimed environment only and form no part of the claimed design. 

CLAIM The ornamental design for a power supply plug, as shown and described. 